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Bacillus subtilis (B. subtilis) is a gram-positive, non-pathogenic organism that does not produce lipopolysaccharides (LPS). LPS, found in gram negative bacteria, is known to cause many degenerative disorders in humans and animals and affects the production of proteins in E. coli. Therefore, although it is deemed poten...
https://en.wikipedia.org/wiki?curid=29071957
1,358,928
1,580,523
After graduation he joined the faculty at the Washington University School of Medicine. There he obtained a fellowship in the Department of Pharmacology with Oliver H. Lowry. Afterwords, he completed his residency in medicine at the University of Chicago, where he met his wife Ann, who was a student. In 1951, during th...
https://en.wikipedia.org/wiki?curid=25071355
1,579,633
917,616
When first described in 1924 by Osborn, "Oviraptor" was originally presumed to have been ovivarous—an organism that has an egg-based diet—life-style, based on the association of the holotype with a nest thought to belong to "Protoceratops". In 1977, Barsbold proposed a crushing jaw hypothesis. He argued that the streng...
https://en.wikipedia.org/wiki?curid=581471
917,133
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The 421SD was available in 1961 as a dealer option or over the counter then in 62 and 63 from the factory, and was fitted with a list of internal modifications designed solely to withstand the abuse of drag racing. Cam was a #541596 McKellar No. 10 with 308/320 degrees of duration and with 1.65:1-ratio rocker arms and ...
https://en.wikipedia.org/wiki?curid=880258
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During the 1960s, molecular biology the world over flourished, the outline bones of the 1950s now having flesh put on them. The detailed 3-D atomic structures of a series of proteins, and how they function, were deduced. These included myoglobin, hemoglobin and chymotrypsin, the last by David Blow. The genetic code, fr...
https://en.wikipedia.org/wiki?curid=5092142
1,177,967
1,820,794
From the early stages of his career, Forlanini's interest in tuberculosis has been a recurring factor in his professional and academic life, leading him to the invention of the artificial pneumothorax. The idea that an intentionally induced pneumothorax might have been useful in treating tuberculosis was first proposed...
https://en.wikipedia.org/wiki?curid=12359592
1,819,757
2,166,264
In 1976 the Junior League of Mobile provided funding for research and development of a hands-on interactive museum for the children of Mobile, with this initial commitment directly leading to the creation of The Explore Center, Inc., a private, non-profit educational incorporation, and a board of trustees. The board ev...
https://en.wikipedia.org/wiki?curid=8236164
2,165,027
915,300
The Huntsman School of Business is the West's oldest continuously operating business college. It offers a number of graduate and undergraduate degrees in fields including management, accounting, economics, finance, and management information systems (MIS). The bachelor's degree in international business is unique to US...
https://en.wikipedia.org/wiki?curid=267513
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"Paramylodon" was endemic distributed in North America and possibly also in Central America. The oldest finds clearly assignable to the genus are known from the Lower Pleistocene. Older forms of mylodonts are from the Upper Pliocene of Mexico and from the US state of Florida. Of the latter, noteworthy is the partial sk...
https://en.wikipedia.org/wiki?curid=16886646
1,348,231
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In 2014, Aksoy was a member of an international team of researchers that successfully sequenced the genetic code of the tsetse fly. This was a 10-year effort that began when Aksoy helped initiate the collaborative research project in the early 2000s. Following the sequencing of the genetic code, Aksoy continued to rese...
https://en.wikipedia.org/wiki?curid=69092289
2,125,385
1,793,202
The early 1970s were characterized by mass experimentation, in which large numbers of peasants were mobilized to collect data and encouraged to view themselves as doing scientific research. Typical projects included collecting information on new crop varieties, studying the effectiveness of locally produced insecticide...
https://en.wikipedia.org/wiki?curid=14246598
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The scientific study of Attic vase paintings was advanced especially by John D. Beazley. Beazley began to study the vases from about 1910 onwards, inspired by the methodology that the art historian Giovanni Morelli had developed for the study of paintings. He assumed that each painter produced individual works that can...
https://en.wikipedia.org/wiki?curid=1457406
587,398
1,025,720
In the late 1960s IBM provided a program called FORMAT for generating printed documents on any computer capable of running Fortran IV. Written by Gerald M. Berns, FORMAT was described in his paper "Description of FORMAT, a Text-Processing Program" (Communications of the ACM, Volume 12, Number 3, March, 1969) as "a prod...
https://en.wikipedia.org/wiki?curid=33236
1,025,186
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Typically, weapons systems pertaining to ships, land vehicles, guided missiles and aircraft differ in hazards and effects; some are inherent, such as explosives, and some are created due to the specific operating environments (as in, for example, aircraft sustaining flight). In the military aircraft industry safety-cri...
https://en.wikipedia.org/wiki?curid=10708254
1,386,054
803,807
Among bacteria, "E. coli" is a particularly powerful model system to study the organization, recognition, and activation mechanism of replication origins. "E. coli" "oriC" comprises an approximately ~260 bp region containing four types of initiator binding elements that differ in their affinities for DnaA and their dep...
https://en.wikipedia.org/wiki?curid=619137
803,378
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Initially Kali appealed only to hardcore computer tinkerers, due to the difficulty of getting TCP/IP running on MS-DOS. Kali95 took advantage of the greater network support of Windows 95, allowing Kali to achieve mainstream popularity. In the mid-1990s, it was an extremely popular way to play "Command & Conquer", "Desc...
https://en.wikipedia.org/wiki?curid=2954315
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With the end of the war, "Belfast" remained in the Far East, conducting a number of cruises to ports in Japan, China and Malaya and sailing for Portsmouth on 20 August 1947. There she paid off into reserve, and underwent a refit during which her turbines were opened for maintenance. She also received two more single Bo...
https://en.wikipedia.org/wiki?curid=209815
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The culture of drinking in the UK is markedly different from that of some other European nations. In mainland Europe, alcohol tends to be consumed more slowly over the course of an evening, often accompanied by a restaurant meal. In Scandinavia, occasional bouts of heavy drinking are the norm. In the UK (as well as Ire...
https://en.wikipedia.org/wiki?curid=31196751
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Flight testing resumed until January 2011, when the AirMule underwent system and structural upgrades which were completed by May 9, 2011. It was fitted with an expanded suite of sensors, and a new energy-absorbing wheeled landing gear. The aerodynamics of the lower fuselage was improved for better control responses in ...
https://en.wikipedia.org/wiki?curid=43693478
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Performed by applying external pressure on the sclera, for example with a spring plunger, while observing the retinal vessels through an ophthalmoscope. The pressure is gradually increased until the central retinal vein begins to pulsate, which happens at the point when the applied external pressure nears the VOP and i...
https://en.wikipedia.org/wiki?curid=32539059
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NYU Grossman School of Medicine is home to many key advancements in medical education. In 1854, human dissection in New York was legalized due to efforts of the faculty. In 1866, NYU professors produced a report for the Council of Hygiene and Public Health which led to establishment of New York City's Health Department...
https://en.wikipedia.org/wiki?curid=1617671
508,263
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Most existing database systems, including all major commercial database systems, are "strong strict two phase locking (SS2PL)" based and already CO compliant. Thus they can participate in a CO based solution for global serializability in multidatabase environments without any modification (except for the popular "multi...
https://en.wikipedia.org/wiki?curid=11861063
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Dioxane has an of 5170 mg/kg in rats. It is irritating to the eyes and respiratory tract. Exposure may cause damage to the central nervous system, liver and kidneys. In a 1978 mortality study conducted on workers exposed to 1,4-dioxane, the observed number deaths from cancer was not significantly different from the exp...
https://en.wikipedia.org/wiki?curid=1572944
1,005,888
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The term 'dyscalculia' was coined in the 1940s, but it was not completely recognized until 1974 by the work of Czechoslovakian researcher Ladislav Kosc. Kosc defined dyscalculia as "a structural disorder of mathematical abilities." His research proved that the learning disability was caused by impairments to certain pa...
https://en.wikipedia.org/wiki?curid=533237
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Brunak's main research is in bioinformatics, systems biology and medical informatics. In particular, machine learning based prediction and the general area of integrative systems biology where heterogeneous data from the molecular level are combined with phenotypic data from the healthcare sector. A general aim is to u...
https://en.wikipedia.org/wiki?curid=15464285
2,135,130
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The Geometer's Sketchpad is a commercial interactive geometry software program for exploring Euclidean geometry, algebra, calculus, and other areas of mathematics. It was created as part of the NSF-funded Visual Geometry Project led by Eugene Klotz and Doris Schattschneider from 1986 to 1991 at Swarthmore College. Nich...
https://en.wikipedia.org/wiki?curid=2769996
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On September 6, NOAA published an unsigned statement in support of Trump's initial claim, saying that NHC models "demonstrated that tropical-storm-force winds from Hurricane Dorian could impact Alabama." The statement also said the message from the Birmingham NWS office had been incorrect because it "spoke in absolute ...
https://en.wikipedia.org/wiki?curid=65365100
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Bill Nye was originally an engineer for the 747 airliner at Boeing, having moved to Seattle in 1977 after he was accepted for the position. Nye began to perform stand-up comedy in his spare time after he entered and won a Steve Martin lookalike contest at a comedy club, which led to him meeting fellow comedians Ross Sh...
https://en.wikipedia.org/wiki?curid=717037
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Petters has received numerous awards and honors. He was won an Alfred P. Sloan Research Fellowship in Mathematics (1998), and a CAREER award from the National Science Foundation (1998), and was the first winner of the Blackwell-Tapia Prize (2002). He was selected in 2006 by the National Academy of Sciences to be part o...
https://en.wikipedia.org/wiki?curid=12450149
1,798,851
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In February, deliveries of the He 162 commenced to its first operational unit, I./JG 1 (1st Group of "Jagdgeschwader" 1 "Oesau" — "1st Fighter Wing"), which had previously flown the Focke-Wulf Fw 190A. I./JG 1 was transferred to Parchim, which, at the time, was also a base for the Me 262-equipped "Jagdgeschwader" 7, so...
https://en.wikipedia.org/wiki?curid=153227
148,550
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This notion was considered radical at the time since American universities of Pugh's era tended to focus on topics such as ancient languages, philosophy, and rhetoric, which Pugh felt were inadequate for a nation seeking to “tame a hostile natural environment” and maintain economic and political importance upon the glo...
https://en.wikipedia.org/wiki?curid=31430357
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The rudder was slightly reduced in area and the symmetrical fin section changed to an airfoil shape, producing a sideways lift force that swung the tail slightly to the left. This helped increase the effectiveness of the rudder and reduced the need for right rudder on takeoff to counteract torque effects from the engin...
https://en.wikipedia.org/wiki?curid=24983642
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From the late 19th to the early 20th centuries, the United States experienced huge industrial, economic, social and cultural change. A continuous wave of European immigration and the rising potential for international trade brought increasing growth and prosperity to America. Through art and artistic expression (throug...
https://en.wikipedia.org/wiki?curid=11382737
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Until the 1970s, life was thought to be entirely dependent on energy from the Sun. Plants on Earth's surface capture energy from sunlight to photosynthesize sugars from carbon dioxide and water, releasing oxygen in the process that is then consumed by oxygen-respiring organisms, passing their energy up the food chain. ...
https://en.wikipedia.org/wiki?curid=2787
310,045
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Ultimately, in "Carpenter" the court determined that the third-party doctrine could not be extended to historical cell site location information (CSLI). Instead, the Court compared "detailed, encyclopedic, and effortlessly compiled" CSLI records to the GPS information at issue in "United States v. Jones", recognizing t...
https://en.wikipedia.org/wiki?curid=54275492
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Mutations of the ACAT1 gene are associated with a deficiency in the encoded protein mitochondrial acetoacetyl-CoA thiolase (T2); this is also known as Beta-ketothiolase deficiency. Many mutations have been identified in specific populations, and large scale studies have been performed to determine the allelic and genot...
https://en.wikipedia.org/wiki?curid=10957647
1,563,010
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The bridge ceiling was redesigned, with Michelson taking structural inspiration from a jet engine fan. Minor built a central bubble for the ceiling to give the bridge a human touch. Ostensibly, the bubble functioned as a piece of sophisticated equipment designed to inform the captain of the ship's attitude. Most of the...
https://en.wikipedia.org/wiki?curid=277006
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Scientists have devised a large number of nanowire compositions with controlled length, diameter, doping, and surface structure by using vapor and solution phase strategies. These oriented single crystals are being used in semiconductor nanowire devices such as diodes, transistors, logic circuits, lasers, and sensors. ...
https://en.wikipedia.org/wiki?curid=4653948
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Intermetallic compounds are generally brittle at room temperature and have high melting points. Cleavage or intergranular fracture modes are typical of intermetallics due to limited independent slip systems required for plastic deformation. However, there are some examples of intermetallics with ductile fracture modes ...
https://en.wikipedia.org/wiki?curid=1250206
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It was not until the 1920s that she began to earnestly work with gifted children. She is known for coining the term “gifted” even though she primarily began her work with the “mentally defective”, coming to believe that most people were merely of average intelligence and that those with mental illnesses merely suffered...
https://en.wikipedia.org/wiki?curid=14276414
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Pixar's string of critical and box-office successes continued with "Monsters, Inc.", "Finding Nemo", "The Incredibles", "Cars", "Ratatouille", "WALL-E", "Up" and "Toy Story 3" all receiving rave reviews, earning huge profits, winning awards, and overshadowing Disney's in-house offerings until "Cars 2" in 2011 ended the...
https://en.wikipedia.org/wiki?curid=141959
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In 2010, Robert L. Nudds and Gareth J. Dyke in the journal "Science" published a paper in which they analysed the rachises of the primary feathers of "Confuciusornis" and "Archaeopteryx". The analysis suggested that the rachises on these two genera were thinner and weaker than those of modern birds relative to body mas...
https://en.wikipedia.org/wiki?curid=2995
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Sometimes, as in the writings of Leon Kass, the fear is that various institutions and practices judged as fundamental to civilized society would be damaged or destroyed. In his 2002 book "Our Posthuman Future" and in a 2004 "Foreign Policy" magazine article, political economist and philosopher Francis Fukuyama designat...
https://en.wikipedia.org/wiki?curid=30299
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Jackson has campaigned for equity, diversity and inclusion in science since he started his career. He was one of the founders of the National Organization for the Professional Advancement of Black Chemists and Chemical Engineers (NOBCChE). The organization began to promote and award minority scientists and engineers, a...
https://en.wikipedia.org/wiki?curid=61702490
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Haldane was keenly interested in inexpensive research. Explaining in "A passage to India," he said, "Of course, if my work required electron microscopes, cyclotrons, and the like, I should not get them in India. But the sort of facilities which Darwin and Bateson used for their researches—such as gardens, gardeners, pi...
https://en.wikipedia.org/wiki?curid=62417
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Following this, Gore shares anecdotes that inspired his interest in the issue, including his college education with early climate expert Roger Revelle at Harvard University, his sister's death from lung cancer and his young son's near-fatal car accident. Gore recalls a story from his grade-school years, where a fellow ...
https://en.wikipedia.org/wiki?curid=4097799
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GATE opened the first group in the UK in Feb 2014. GATE is a Professional Engineering Institution; a membership association and learned society, and comprises an emerging network of engineers and non-engineers that share the idea that engineers are responsible for changing engineered systems in order to adapt to reduci...
https://en.wikipedia.org/wiki?curid=39425504
1,902,093
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During the period from 2005 to 2007, Petters collaborated with astronomers and physicists to explore gravitational lensing in directions beyond its traditional confines in astronomy. In a series of three mathematical physics papers published written with the astronomer Charles R. Keeton, he utilized higher-order gravit...
https://en.wikipedia.org/wiki?curid=12450149
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The elapsed time between commissioning and combat action could also be short or long for escort carriers. (CVE), a converted oil tanker rushed into service, still had workmen aboard during her shakedown cruise. Within seven weeks of commissioning, her aircraft were bombing airfields, spotting for warship's guns, patrol...
https://en.wikipedia.org/wiki?curid=65453048
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A potential application for MOFs is biological imaging and sensing via photoluminescence. A large subset of luminescent MOFs use lanthanides in the metal clusters. Lanthanide photoluminescence has many unique properties that make them ideal for imaging applications, such as characteristically sharp and generally non-ov...
https://en.wikipedia.org/wiki?curid=9821563
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The B-200 was a 3D, UHF, S/E-band radar, which had instrumented detection range of 150km and ability to track as much as 30 different targets simultaneously (on 20 of those it could also launch S-25 missiles), while still scanning for new targets. It was the first radar in the world capable of such features, which will...
https://en.wikipedia.org/wiki?curid=17395977
1,111,229
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Sign language was first documented in ancient Greece. In one of Plato's dialogues he describes how the deaf used gestures to mimic moving objects through similar motions. Plato quotes his teacher Socrates in the Cratylus as follows: "if we had neither voice nor tongue, and yet wished to manifest things to one another, ...
https://en.wikipedia.org/wiki?curid=33546514
1,536,297
1,464,292
After graduating from the University of Chicago, Garwin joined the physics faculty there and spent summers as a consultant to Los Alamos National Laboratory working on nuclear weapons. Garwin was the author of the actual design used in the first hydrogen bomb (code-named Mike) in 1952. He was assigned the job by Edward...
https://en.wikipedia.org/wiki?curid=5189415
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Understanding the different ways in which microRNA regulates gene-expression, including mRNA-translation and degradation is key to understanding the potential evolutionary role of SINEs in gene-regulation and in the generation of microRNA loci. This, in addition to SINEs' direct role in regulatory networks (as discusse...
https://en.wikipedia.org/wiki?curid=49982814
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By the mid- to late 19th century, China began losing its global economic edge as the European colonial powers and Japan were rapidly modernizing and industrializing. A number of factors such as contributed to China's stagnation behind Europe and Japan such as bureaucratic centralization that impeded innovation, creativ...
https://en.wikipedia.org/wiki?curid=16234875
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Alongside largely lab-based approaches such as the Bak–Tang–Wiesenfeld sandpile, many other investigations have focused on large-scale natural or social systems that are known (or suspected) to display scale-invariant behavior. Although these approaches were not always welcomed (at least initially) by specialists in th...
https://en.wikipedia.org/wiki?curid=6295
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It was conceived as a means to measure the time dilation effect on Earth after being motivated by Einstein's equivalence principle that implies a rotating observer will be subject to the same transformations as an observer in a gravitational field. Mössbauer rotor experiments hence permit a precise terrestrial test of ...
https://en.wikipedia.org/wiki?curid=1784313
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Increased competition in the aerospace market has placed additional demands on aerospace manufacturers to reduce costs, increase product flexibility and improve manufacturing efficiency. There is a knowledge gap within the sphere of digital to physical dimensional verification and on how to successfully achieve dimensi...
https://en.wikipedia.org/wiki?curid=53267005
2,127,116
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The redesigned aircraft was fitted with a reinforced wingbox, an active rudder, a Cohu nose video camera, a Vega digital control/data link, speed brakes, and a Lear-Sieglar digital proportional autopilot. The modified drone was originally designated the FDL-23 and later the XQM-103. Six captive and six free flight test...
https://en.wikipedia.org/wiki?curid=3485877
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In 2020, the University of Beira Interior (UBI) maintained the status of one of the best international academies founded less than 50 years ago. The Times Higher Education Young University Rankings 2020 (THE-YUR) placed UBI at 151-200, within a list that analyzed 414 institutions of higher education around the world. U...
https://en.wikipedia.org/wiki?curid=524691
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In 2010, a team from New York described detection of PrP even when initially present at only one part in a hundred billion (10) in brain tissue. The method combines amplification with a novel technology called surround optical fiber immunoassay and some specific antibodies against PrP. After amplifying and then concent...
https://en.wikipedia.org/wiki?curid=19344418
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The first kind can quickly turn fatal. The skin appears to be green. The analogy made in the text is that the skin is greener than a green lizard. The patient will have fevers, shiver, and the skin becomes very sensitive. In the mornings, sharp pains occur in the abdominal region. If the patient survives more than two ...
https://en.wikipedia.org/wiki?curid=570856
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Section 2 of Article 3 of the Self Defense Forces Act was revised on 9 January 2007. JSDF activities abroad were elevated from "miscellaneous regulations" to "basic duties." This fundamentally changed the nature of the JSDF because its activities were no longer solely defensive. JMSDF ships can be dispatched worldwide ...
https://en.wikipedia.org/wiki?curid=2785204
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In Spring 1891, the Stanfords offered the presidency of their new university to the president of Cornell University, Andrew White, but he declined and recommended David Starr Jordan, the 40-year-old president of Indiana University Bloomington. Jordan's educational philosophy was a good fit with the Stanfords' vision of...
https://en.wikipedia.org/wiki?curid=50746458
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Despite protesting against the decision, Barry was forcefully retired by the army on 19 July 1859 because of ill health and old age, and was succeeded as inspector general of hospitals by David Dumbreck. After a quiet retirement in London, Barry finally died from dysentery on 25 July 1865. The identity of the woman who...
https://en.wikipedia.org/wiki?curid=169505
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Research related to making open-cycle OTEC a reality began earnestly in 1979 at the Solar Energy Research Institute (SERI) with funding from the US Department of Energy. Evaporators and suitably configured direct-contact condensers were developed and patented by SERI (see). An original design for a power-producing expe...
https://en.wikipedia.org/wiki?curid=68498
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In North America, early years of sport psychology included isolated studies of motor behavior, social facilitation, and habit formation. During the 1890s, E. W. Scripture conducted a range of behavioral experiments, including measuring the reaction time of runners, thought time in school children, and the accuracy of a...
https://en.wikipedia.org/wiki?curid=25688228
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When selecting a rifle cartridge for maximum accuracy, a short, fat cartridge with very little case taper may yield higher efficiency and more consistent velocity than a long, thin cartridge with a lot of case taper (part of the reason for a bottle-necked design). Given current trends towards shorter and fatter cases, ...
https://en.wikipedia.org/wiki?curid=833572
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One of the greatest challenges facing a lone sailor is managing the need to sleep, since a good watch must be kept at all times while at sea. Many single-handers use the technique of napping for 15 to 20 minutes at a time, using a timer to wake them up for periodic look-arounds; with the relatively slow speed of a sail...
https://en.wikipedia.org/wiki?curid=3607388
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To facilitate replication initiation and origin recognition, ORC assemblies from various species have evolved specialized auxiliary domains that are thought to aid initiator targeting to chromosomal origins or chromosomes in general. For example, the Orc4 subunit in "S. pombe" ORC contains several AT-hooks that prefere...
https://en.wikipedia.org/wiki?curid=619137
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If 4 mg of reboxetine is taken orally by a healthy adult, the peak levels can be about 130 ng/mL and are achieved within 2 hours after administration. The administration of reboxetine with food delayed the absorption rate by approximately 2 hours while not affecting the extent of absorption. The absolute bioavailabilit...
https://en.wikipedia.org/wiki?curid=62051807
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From an orthodox Marxist perspective, the former is simple ignorance and or purposeful obfuscation of works such as Jean-Paul Sartre's "Critique of Dialectical Reason" and a broader literature which does in fact supply such specifications. The latter are partly superficial complaints which can easily be refuted as they...
https://en.wikipedia.org/wiki?curid=40508191
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Independent non-governmental organizations (NGOs) include the Machine Intelligence Research Institute (est. 2000), which aims to reduce the risk of a catastrophe caused by artificial intelligence, with donors including Peter Thiel and Jed McCaleb. The Nuclear Threat Initiative (est. 2001) seeks to reduce global threats...
https://en.wikipedia.org/wiki?curid=21221594
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With the development of these three techniques, the field of structural biology expanded and also became a branch of molecular biology, biochemistry, and biophysics concerned with the molecular structure of biological macromolecules (especially proteins, made up of amino acids, RNA or DNA, made up of nucleotides, and m...
https://en.wikipedia.org/wiki?curid=29400
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Highlights: Early, September 1-4th, the Hawaiian Airlines Wahine Volleyball Classic again drew for one of the best preseason collegiate tournaments in the nation; advancements, daily, featured four AVCA Top 25s (UCLA, The Ohio State University, Long Beach State, at Manoa). AVCA #21 Pepperdine then came into Honolulu fo...
https://en.wikipedia.org/wiki?curid=3376212
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Normally, a small group of 20–100 healthy volunteers will be recruited. These trials are often conducted in a clinical trial clinic, where the subject can be observed by full-time staff. These clinical trial clinics are often run by contract research organization (CROs) who conduct these studies on behalf of pharmaceut...
https://en.wikipedia.org/wiki?curid=34382035
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Fuller's Earth Formation clays were deposited across much of southern Dorset when the continental shelf subsided, forcing the region deeper underwater. The lower clays are visible at Burton Bradstock and contain large numbers of "Bositra buchi". These bivalves may have been able to swim freely, thus able to avoid the s...
https://en.wikipedia.org/wiki?curid=1121663
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Although they have excellent environmental credentials, waterborne polyurethane dispersions tend to suffer from lower mechanical strength than other resins. The wear and corrosion resistance is also not as good and hence they are often hybridized. Other strategies used to overcome some of the weaknesses include molecul...
https://en.wikipedia.org/wiki?curid=58217500
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In 1964 a Soviet scientist proposed that a shaped charge originally developed for piercing thick steel armor be adapted to the task of accelerating shock waves. The resulting device, looking a little like a wind tunnel, is called a Voitenko compressor. The Voitenko compressor initially separates a test gas from a shape...
https://en.wikipedia.org/wiki?curid=37515
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The Sun formed about 4.6 billion years ago from the collapse of part of a giant molecular cloud that consisted mostly of hydrogen and helium and that probably gave birth to many other stars. This age is estimated using computer models of stellar evolution and through nucleocosmochronology. The result is consistent with...
https://en.wikipedia.org/wiki?curid=26751
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"Tolypocladium inflatum" has long been of interest in biotechnology due to its production of a relatively non-cytotoxic, natural 11 amino acid cyclic peptide named Ciclosporin A. Ciclosporin is an immunosuppressant drug used in the management of autoimmune diseases and the prevention of rejection in organ transplantati...
https://en.wikipedia.org/wiki?curid=4855160
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The compete-on-cost strategy also led Boeing to pick a direct-lift thrust vectoring system, for the Marines' short take-off and vertical landing (STOVL) requirement, as this would only necessitate the addition of a thrust vectoring module around the main engine. However, this choice required the engine to be mounted di...
https://en.wikipedia.org/wiki?curid=641441
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John Frank Davidson was born in Newcastle upon Tyne, the industrial centre of the county of Northumberland. His school years (1937–1944) fell on severe days of World War II. In 1944, he entered the University of Cambridge, with which all his further life has been associated. After receiving the degree of Bachelor of Ar...
https://en.wikipedia.org/wiki?curid=20038853
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Further indicative of the role cognitive flexibility plays in education is the argument that how students are taught greatly impacts the nature and formation of their cognitive structures, which in turn affect students' ability to store and readily access information. A crucial aim of education is to help students lear...
https://en.wikipedia.org/wiki?curid=27016834
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The concepts of reform mathematics which the NCTM introduced in 1989 favors an alternative approach. It proposes a deeper understanding of the underlying theory instead of memorization of specific methods will allow students to develop individual methods which solve the same problems. Students' alternative algorithms a...
https://en.wikipedia.org/wiki?curid=2874981
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Saffman started his academic career as a lecturer at the University of Cambridge, then joined King's College London as a Reader. Saffman joined the Caltech faculty in 1964 and was named the Theodore von Kármán Professor in 1995. According to Dan Meiron, Saffman "really was one of the leading figures in fluid mechanics,...
https://en.wikipedia.org/wiki?curid=18983968
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In recent years the most predominant topic related to snow hydrology has been global warming. The underlying concept states that human construction and production of emissions, has created a number of gaseous chemical compounds which add to existing greenhouse gases. Gases such as CO and CH trap heat in the atmosphere,...
https://en.wikipedia.org/wiki?curid=5904679
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In 1947 the MRC agreed to make a research unit for the Study of the Molecular Structure of Biological Systems. The original studies were on the structure of sheep hemoglobin, but when this work had progressed as far as was possible using the resources then available, Kendrew embarked on the study of myoglobin, a molecu...
https://en.wikipedia.org/wiki?curid=414421
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John Charles Rock was born on March 24, 1890, in Marlborough, Massachusetts, and died on December 4, 1984, in Peterborough, New Hampshire, at the age of 94. He was born into a Roman Catholic family and was one of four children. Rock was a known scientist, obstetrician and gynecologist, but he was also an author who wro...
https://en.wikipedia.org/wiki?curid=25242913
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There are striking parallels between cooperative behavior and exaggerated sexual ornaments displayed by some animals, particularly certain birds, such as, amongst others, the peacock. Both are costly in fitness terms, and both are generally conspicuous to other members of the population or species. This led Amotz Zahav...
https://en.wikipedia.org/wiki?curid=4839105
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In 1441, King Sejong's son, Prince Munjong of Korea, invented the first standardized rain gauge. These were sent throughout the Joseon dynasty of Korea as an official tool to assess land taxes based upon a farmer's potential harvest. In 1450, Leone Battista Alberti developed a swinging-plate anemometer, and was known a...
https://en.wikipedia.org/wiki?curid=19904
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Cantley grew up in West Virginia, remaining there at Wesleyan College where he graduated summa cum laude in chemistry in 1971. Cantley obtained his PhD at Cornell University in Ithaca, New York, where he worked with Gordon Hammes on enzyme kinetics, using FRET to study enzyme conformational changes. In 1975 he moved to...
https://en.wikipedia.org/wiki?curid=26700770
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Kazakhstan is the world's second ranked chromite producer, after South Africa. Production was centered in the Aqtobe region of northwestern Kazakhstan at the Khromtau complex. Chromite production was significantly expanding with the aid of Western investment. London-based Oriel Resources Plc acquired 100% of the Voskho...
https://en.wikipedia.org/wiki?curid=17967709
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One of his more recent innovations is the creation of tiny, complex, three-dimensional models of living human organs, known as "organs-on-chips" (Organ Chips), which mimic complicated human organ functions "in vitro" as a way to potentially replace traditional animal-based methods for testing of drugs and toxins. The f...
https://en.wikipedia.org/wiki?curid=29057341
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The consensus among national pesticide regulatory agencies and scientific organizations is that labeled uses of glyphosate have demonstrated no evidence of human carcinogenicity. The German Federal Institute for Risk Assessment toxicology review in 2013 found that with regard to positive correlations between exposure t...
https://en.wikipedia.org/wiki?curid=294295
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In 1739, Leonhard Euler solved the ordinary differential equation for a forced harmonic oscillator and noticed the resonance phenomenon. In 1742, Colin Maclaurin discovered his uniformly rotating self-gravitating spheroids. In 1742, Benjamin Robins published his "New Principles in Gunnery", establishing the science of ...
https://en.wikipedia.org/wiki?curid=13758
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Chicago Federal Center Plaza, also known as Chicago Federal Plaza, unified three buildings of varying scales: the mid-rise Everett McKinley Dirksen United States Courthouse, the high-rise John C. Kluczynski Building, and the single-story Post Office building. The complex's plot area extends over two blocks; a one-block...
https://en.wikipedia.org/wiki?curid=17897
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Squalls continued until arrival in the Port Jackson. On March 19, martin-geek was knocked down, and the sloop "Vostok" experienced both ship rolling and keel pitching which got stronger on March 21. Bellingshausen defined it as "horrible". At this day at 10 am the sloop laid on its side, and while saving the priest, na...
https://en.wikipedia.org/wiki?curid=40880361
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Another very costly aspect of these anti-predatory behaviors that is experienced by these elk is a decreased pregnancy rate. Contrary to popular belief, this large decrease is caused by aspects other than simple direct predation from wolves. The elk also suffered from the negative effects of their “behavioral or physio...
https://en.wikipedia.org/wiki?curid=38496315
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Berger was lead author of a controversial report of the discovery in 2006 of what he and colleagues claimed were small-bodied humans in Palau, Micronesia. Scholars have disputed the argument that these individuals are pygmoid in stature, or that they were the result of insular dwarfism; in an article titled "Small Scat...
https://en.wikipedia.org/wiki?curid=11288671
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